CI addition, slight code modification

polem_lemmatizer.py

@@ -5,6 +5,7 @@ import lex_ws
 
 class Polem(lex_ws.LexWorker):
     """Implements lex_worker for polem service. It's a mock object."""
+    
     @classmethod
     def static_init(cls, config):
         """Class constructor."""
@@ -24,11 +25,9 @@ class Polem(lex_ws.LexWorker):
         output = []
         for lexeme in task_options['lexeme_polem']:
             if len(lexeme) == 3:
-                output.append(self._lemmatizer.lemmatizeS(
-                    lexeme[0], lexeme[1], lexeme[2], False))
+                output.append(self._lemmatizer.lemmatizeS(*lexeme, False))
             elif len(lexeme) == 5:
-                output.append(self._lemmatizer.lemmatizeS(
-                    lexeme[0], lexeme[1], lexeme[2], lexeme[3], lexeme[4], False))
+                output.append(self._lemmatizer.lemmatizeS(*lexeme, False))
             else:
                 raise Exception("Invalid number of arguments")
         return output